Earlier quoted context omitted.
Mine is set to update on WiFi only. And everyday, without fail, the moment I plug my phone into a power source in the evening (could even be to my computer for debugging), it'll start going through and applying all available updates. The performance impact is always noticeable during the duration of the updates. Other common case is when I pull into my driveway/office and happen to be charging my phone in the car and…
Just my anecdotal experience but Windows stopped me while I was doing something by suddenly rebooting the machine. The update took ages, well, more than 30 minutes, still very annoying. In the end, the visible change was the addition of Edge and Cortana .. A good way to make me decide to never use these 2 apps.
So MS followed Valve on this.